1. School of Electrical Engineering Graphene/2D Materials Research Center Center for Advanced Materials Discovery towards 3D Displays Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak-ro Yuseong-gu Daejeon 34141 Republic of Korea
2. School of Electronics Engineering Kyungpook National University 80 Daehakro Bukgu Daegu 41566 Republic of Korea
3. School of Electronic and Electrical Engineering Kyungpook National University 80 Daehakro Bukgu Daegu 41566 Republic of Korea
4. Department of Chemical and Biomolecular Engineering Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak-ro Yuseong-gu Daejeon 34141 Republic of Korea
5. Department of Electronic Engineering Kwangwoon University 20 Gwangun-ro Nowon-gu Seoul 01897 Republic of Korea